From a543b957efeaf198a60fe45fe69d3034f1372882 Mon Sep 17 00:00:00 2001
From: Seth Alves <seth.alves@gmail.com>
Date: Thu, 6 Jul 2017 17:45:57 -0700
Subject: [PATCH] fix a race

---
 libraries/avatars-renderer/src/avatars-renderer/Avatar.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libraries/avatars-renderer/src/avatars-renderer/Avatar.cpp b/libraries/avatars-renderer/src/avatars-renderer/Avatar.cpp
index 3fc7bba3d2..e3586fd9a8 100644
--- a/libraries/avatars-renderer/src/avatars-renderer/Avatar.cpp
+++ b/libraries/avatars-renderer/src/avatars-renderer/Avatar.cpp
@@ -1010,6 +1010,9 @@ glm::vec3 Avatar::getAbsoluteJointTranslationInObjectFrame(int index) const {
 
 void Avatar::cacheJoints() const {
     // _jointIndicesCacheLock should be locked for write before calling this.
+    if (_jointsCached) {
+        return;
+    }
     _jointIndicesCache.clear();
     if (_skeletonModel && _skeletonModel->isActive()) {
         _jointIndicesCache = _skeletonModel->getFBXGeometry().jointIndices;